135 cross-exchange arbitrage opportunities detected on May 18, 2026. Top spread: TST at 17.88% between Hyperliquid and Binance Futures. Full breakdown of executable plays, profit math, and risk factors for professional arb desks.
May 18, 2026 delivered a solid session for cross-exchange arbitrage desks. The scanner logged 135 discrete opportunities across the monitored universe, spanning spot-to-spot, spot-to-futures, and futures-to-futures configurations. That's a meaningful volume of signal — not a quiet day by any measure. For context, a session producing this many events suggests fragmented liquidity across venues, potential funding rate dislocations on perps, and the kind of price discovery lag that serious arb infrastructure can monetize before retail even notices the gap.
The headline number was TST printing a 17.88% spread between Hyperliquid and Binance Futures — that's not a rounding error, that's a structural dislocation in a relatively low-liquidity name. MYX showed up twice in the top ten, which is notable pattern behavior suggesting persistent fragmentation between Bybit, Binance Futures, and Gate Futures for that particular asset. AI (the token, not the concept) showed a juicy 13.99% Binance-to-Coinbase spread on the spot side — a cross-geography, cross-platform play that comes with its own set of KYC and withdrawal constraints. JASMY printed 13.38% Binance spot vs. Coinbase, and OP surprised with 11.98% on the same pair. The Binance-to-Coinbase corridor was clearly where the action was on the spot side today.
For professional arb traders: the mix of spot-vs-spot and futures-vs-futures opportunities means your playbook needs to cover both legs simultaneously. Futures arb (TST, MYX) often has faster execution and lower withdrawal friction but carries basis risk and funding exposure if your hedge leg sits open. Spot arb (AI, JASMY, OP) requires actual asset movement between exchanges unless you're running pre-funded accounts on both sides. Today's session rewards desks that have pre-positioned capital across Hyperliquid, Binance, Bybit, Gate, Coinbase, and Bitunix simultaneously. If you're running a reactive model — detect gap, fund the exchange, execute — you missed most of these windows before they closed.
The day's best print. TST offered a 17.88% spread with the long leg at $0.014696 on Hyperliquid and the short leg at $0.016570 on Binance Futures. In dollar terms, that's $0.001874 per token — on a sub-two-cent asset, that's enormous in percentage terms. The mechanics here are pure perp-vs-perp basis arb: you go long TST perp on Hyperliquid, short TST perp on Binance Futures, and harvest the convergence plus any favorable funding differential. TST is a low-cap, speculative token and that matters enormously for execution. The order books on both venues for TST are thin. Even modest position sizes — say $10,000 notional per leg — will move the mid significantly on Hyperliquid. Slippage on entry alone could eat 3-5% of that 17.88% headline spread depending on the depth at time of trade. Withdrawal times are irrelevant for pure perp arb since you're not moving tokens, but margin requirements and liquidation thresholds are very relevant. Funding rates on a volatile low-cap can flip direction aggressively, turning a convergence play into a carry bleed if the basis widens before it tightens. Verdict: Executable in theory, painful in practice without deep liquidity research. Best for desks with existing TST positions looking to hedge or for algorithmic traders with limit-order infrastructure on both venues simultaneously. Do not market-order into this.
MYX at 15.56%: buy at $0.162400 on Bybit, sell at $0.170900 on Binance Futures. Dollar gap: $0.008500 per token. MYX appearing twice in the top ten is the most important pattern of the day — it signals that this asset has a persistent liquidity fragmentation problem across its listed venues, not a one-off spike. When you see the same asset generate multiple opportunities in a single session, it suggests that either the market makers on one venue are understaffed, the arb bots covering this name are already at capacity, or the token's volatility is outrunning the market maker's ability to keep quotes tight. For a perp-vs-perp play between Bybit and Binance Futures, execution is cleaner than Hyperliquid plays — both venues have robust APIs, reliable margin systems, and reasonable depth on mid-cap DeFi tokens. MYX's trading volume should support $5,000-$20,000 notional legs without catastrophic slippage, but verify the real-time order book before sizing up. The risk here is basis risk if MYX spikes directionally while your arb legs are open — a 15% arb can turn into a 15% loss on the open leg if the position runs against you before convergence. Verdict: One of the more executable opportunities on the list. Pre-funded accounts on both venues, simultaneous limit orders bracketing the current mid on each side, with a defined stop if the spread widens another 5% instead of converging.
AI token at 13.99%: buy at $0.031600 on Binance, sell at $0.036020 on Coinbase. This is a spot-to-spot play, which means you need actual tokens on one side or pre-funded fiat/USDC on both. The dollar gap is $0.004420 per token. On a $0.03 asset, that's meaningful. The Binance-to-Coinbase corridor is one of the classic arb paths in the industry — Binance serves a global retail audience with lower fees, Coinbase serves a predominantly US retail audience often willing to pay a premium. Geographic and regulatory segmentation creates persistent, recurring spread between these two venues for certain assets. The challenge: Coinbase's withdrawal/deposit times can be slow, and Binance's fiat off-ramp to USD for US persons has restrictions. If you're running this as a pre-funded arb — already holding AI on Binance and USDC on Coinbase — you can execute both legs near-simultaneously. If you need to move tokens between venues, the window likely closes before your withdrawal confirms. At $0.031-$0.036, you need meaningful token volume to generate meaningful dollar profit. 100,000 tokens is $3,160 in notional, and 13.99% gross on that is $441 before fees. The question is whether you can move 100,000 AI tokens through both exchanges without moving the price against yourself. Verdict: Excellent for pre-funded spot arb desks. A staple Binance-Coinbase corridor play on an asset that appears to have persistent pricing divergence.
JASMY at 13.38%: buy at $0.005680 on Binance, sell at $0.006440 on Coinbase. Dollar gap: $0.000760 per token. JASMY is a high-volume, well-established token — JasmyCoin has been trading since 2021 and has a deep enough order book on Binance that significant position sizes are feasible. The same Binance-Coinbase corridor dynamics apply here as with AI. JASMY historically trades at a premium on Coinbase for the same geographic segmentation reasons. The low absolute price means you're moving enormous token quantities to generate meaningful dollar profit — 1,000,000 JASMY is only $5,680 in notional, and 13.38% on that is $759 gross. The upside: JASMY's liquidity is genuinely deep on Binance. The downside: at sub-penny prices, even small absolute price moves represent large percentage swings, meaning your arb window can slam shut with a single market order from an unrelated participant. Coinbase's order book for JASMY is thinner than Binance's, so your sell leg will face more slippage. Pre-funded account required. Verdict: Workable for high-frequency desks running small-to-mid lot sizes. The spread is wide enough to absorb realistic fees and slippage and still leave net profit, provided you're not trying to move institutional-sized positions in one shot.
Optimism (OP) at 11.98%: buy at $0.128600 on Binance, sell at $0.144000 on Coinbase. Dollar gap: $0.015400 per token. This is the highest absolute-dollar gap per token among the top spot opportunities today. OP is a liquid, well-known L2 token with meaningful trading volume on both venues. The higher per-token dollar value means you need fewer tokens to generate meaningful profit — 10,000 OP is $1,286 in notional, and 11.98% gross is $154. The spread being nearly 12% on a liquid token like OP is striking and suggests a genuine pricing dislocation rather than an illiquid name anomaly. The Binance-Coinbase gap on OP likely reflects different regional demand dynamics and possibly different staking/ecosystem participation incentives on each platform. Liquidity risk on OP is lower than on TST or JASMY by orders of magnitude. Execution risk is primarily about speed — can you hit both sides before the spread narrows? OP's volatility means the window could close in minutes on a normal session. Withdrawal times matter if you're not pre-funded: Optimism network bridging can take minutes to 24 hours depending on the method used. Verdict: Best risk-adjusted opportunity on the list for desks with pre-funded accounts on both Binance and Coinbase. Liquid, meaningful per-token profit, established corridor. This is the play a disciplined arb desk would size up most aggressively today.
Today's data reveals three distinct exchange pair corridors generating outsized spreads, and understanding the structural reason behind each is as important as the individual trades.
The Binance-to-Coinbase corridor dominated the spot side, appearing in at least three of the top ten opportunities: AI (13.99%), JASMY (13.38%), and OP (11.98%). This is not coincidence. Binance serves a global, high-volume, lower-fee user base primarily outside the US. Coinbase serves a heavily US-centric user base with higher fee structures and different regulatory constraints. The result is a persistent premium on Coinbase for certain assets where US retail demand outstrips the global average — particularly for tokens with US community traction or Coinbase-specific promotional activity. For arb desks, this corridor is the most systematically exploitable over time because the structural cause is stable. The Binance-Coinbase spread isn't going away as long as geographic segmentation and fee differentials persist. The question is execution speed and pre-funded capital allocation.
The Hyperliquid-to-Binance Futures corridor was responsible for the session's two biggest spreads on TST (17.88% and 13.47%). Hyperliquid is a decentralized perp DEX running on its own appchain, which creates structural latency and liquidity fragmentation versus the centralized futures venues. Hyperliquid's on-chain settlement introduces friction that CEX arb bots can't fully eliminate, leaving gaps for sophisticated desks with cross-chain execution infrastructure. The TST spreads on this corridor are unusually large — suggesting either that Hyperliquid's TST market is genuinely mispriced relative to the CEX feed, or that the arb bots covering this pair are not operating at full efficiency. Both TST entries (17.88% and 13.47%) represent the same structural Hyperliquid-vs-CEX dislocation at slightly different timestamp snapshots, suggesting the spread was persistent rather than momentary.
The Bybit-Binance Futures-Gate Futures triangle on MYX is the third distinct pattern and arguably the most interesting from a theoretical standpoint. MYX generated a 15.56% spread between Bybit and Binance Futures AND a 14.15% spread between Binance Futures and Gate Futures in the same session. This creates a potential three-leg triangle arb: buy on Bybit at $0.162400, sell on Binance Futures at $0.170900 (15.56% gross), while simultaneously buying on Binance Futures at $0.171837 and selling on Gate Futures at $0.183300 (14.15% gross). The fact that Binance Futures is on the sell side for leg one and the buy side for leg two at nearly the same price ($0.170900 vs $0.171837) suggests these were captured at slightly different timestamps, but the structural implication is that Gate Futures was pricing MYX significantly above both Bybit and Binance Futures throughout the session. NAORIS (13.85% between Bitunix and Bybit) and BSB (11.22% between Binance Futures and Bitunix) both feature Bitunix — a smaller exchange — as the cheaper leg. This pattern is consistent across the data: smaller, less liquid exchanges underprice relative to major venues, and the arb premium exists because execution friction on those venues makes it hard to harvest.
Every arb desk faces the fundamental tension between speed and size, and today's opportunity set illustrates all the classic tradeoffs.
The high-spread, low-liquidity plays (TST, NAORIS, BSB) are the speed plays. They offer headline-grabbing percentage spreads but collapse quickly under position size. TST's 17.88% spread sounds extraordinary until you account for the depth of the Hyperliquid order book on a sub-two-cent token. A $5,000 notional buy on Hyperliquid might clear at or near the quoted price. A $50,000 buy will move the market against you by 3-7% depending on real-time depth, effectively cutting the executable spread in half or worse. These are plays for small, fast money — $2,000-$10,000 notional per leg, executed simultaneously with limit orders, harvesting the residual spread that larger bots can't fully absorb without slippage. Speed is everything. If you're not in and out within seconds of detection, the window is gone.
The medium-spread, medium-liquidity plays (MYX at 15.56% and 14.15%, AI at 13.99%, JASMY at 13.38%) sit in the middle of the spectrum. These can support $10,000-$50,000 notional per leg with careful execution. Use iceberg orders or split your entry into 3-5 smaller lots over 30-60 seconds to reduce market impact. The spread on MYX is wide enough that even with 2-3% slippage on both legs, you're still in the money. The window for these tends to last minutes rather than seconds — long enough for a disciplined execution algorithm but not long enough for a human manually routing orders.
OP at 11.98% is the size play. Lower percentage headline, but OP's deep Binance order book means you can put $100,000-$500,000 notional through without catastrophic market impact. At that scale, 11.98% gross less realistic fees and slippage still generates compelling absolute dollar profit. The tradeoff: OP's liquidity also means more sophisticated arb bots are actively working this corridor, so the window is competitive. Position sizing recommendation for today's set: allocate 60% of arb capital to OP and MYX (the liquid-enough, wide-enough opportunities), 30% to AI and JASMY (spot corridor plays with pre-funded accounts), and no more than 10% to TST, NAORIS, and BSB (lottery tickets with real slippage risk).
Slippage rules of thumb for this session: on Hyperliquid for low-cap tokens, assume 3-5% slippage on any position above $5,000 notional. On Binance for mid-caps (OP, AI, JASMY), assume 0.1-0.5% for positions up to $100,000. On Coinbase, add another 0.1-0.3% versus Binance due to thinner books. Gate Futures and Bitunix: assume 1-3% slippage for any meaningful size.
Let's walk through real numbers on three representative opportunities to establish what's actually executable versus what's spreadsheet fantasy.
Minimum spread worth chasing: As a rule of thumb, any spread below 3% gross is not worth pursuing once you account for fees (0.2-0.4% per side), slippage (0.3-2% per side depending on liquidity), and execution risk. Today's opportunities all clear 11% gross, which means even with aggressive slippage assumptions, there's real money on the table. The minimum viable position size scales with the exchange and token: for Binance blue-chips, $5,000 notional is workable. For low-cap tokens on smaller venues, you need positions small enough that slippage doesn't eat the spread — sometimes as low as $1,000-$2,000 notional per leg.
Based on today's pattern analysis, here's the forward-looking setup for arb desks heading into May 19.
MYX is the asset to watch most closely tomorrow. Its appearance twice in the top ten with persistent, wide spreads across three different venue pairs (Bybit, Binance Futures, Gate Futures) signals a structural liquidity fragmentation that doesn't resolve overnight. If MYX's trading volume picks up in Asian hours (00:00-08:00 UTC), expect the Bybit-Binance spread to be most active as Asian retail flows through Bybit while Binance's global market maker base reprices. The Gate Futures premium on MYX should be monitored throughout — Gate tends to lag on small-cap repricing, creating recurring opportunities for desks with Gate API integration.
The Binance-Coinbase corridor on OP, AI, and JASMY is likely to persist as a recurring source of spreads. These three tokens have shown today that the geographic pricing wedge between these platforms is meaningful. Monitor OP particularly carefully around any Optimism ecosystem announcements or governance votes — these tend to amplify the Coinbase premium as US retail engages more heavily. Best monitoring window: 13:00-17:00 UTC (US morning session overlap with European close), when Coinbase volumes are highest relative to Binance.
TST's Hyperliquid-to-Binance Futures corridor warrants a dedicated monitoring slot. The two TST appearances today (17.88% and 13.47%) at different timestamps suggest the spread oscillated rather than closed cleanly. If TST is still listed on both venues tomorrow with similar liquidity profiles, expect similar spread behavior — particularly in the first 2 hours of each trading session when market makers on Hyperliquid may be slower to reprice.
Exchange pairs to add to your watchlist for May 19: Hyperliquid vs. any major CEX futures for low-to-mid cap tokens (the structural friction remains). Bybit vs. Gate Futures for DeFi mid-caps — Gate's consistent premium on MYX suggests a recurring pattern. Binance spot vs. Coinbase spot for any token with significant US retail interest. Bitunix vs. any Tier-1 venue — Bitunix appeared twice today (NAORIS and BSB) as a divergent pricer, which may indicate either aggressive market making with slower repricing or genuine order flow imbalances.
Best times to monitor tomorrow: 00:00-02:00 UTC (Asian session open, Hyperliquid and Bybit most active), 08:00-10:00 UTC (European session open, cross-venue repricing frequent), 13:30-16:00 UTC (US market open, Coinbase premium spikes). Set alerts for any spread above 8% on these corridor pairs — that's the threshold where today's data suggests executable net profit after fees and slippage.
135 events. One session. The market keeps fragmenting and the gaps keep appearing for those with the infrastructure to catch them. Today's session was a reminder that the best arb isn't always the biggest headline number — it's the one you can actually execute. OP at 11.98% on a liquid pair with pre-funded accounts beats TST at 17.88% every time you try to size it above ten grand. Know your venues. Size to the liquidity. Pre-fund the corridors that matter. The market doesn't wait for you to log in.
Arbitrage Hunter — May 18, 2026