Coinbase Global, Inc. closed at USD 190.72, up 4.92%.
Large options trades in COIN skewed decisively bullish, led by a $1.38 million net-debit call spread calendar package. This four-leg diagonal structure combined in-the-money near-dated calls with out-of-the-money later-dated calls, indicating traders paid premium for defined upside exposure rather than pursuing outright naked calls.
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Options Indicators
COIN’s implied volatility is 70.24%, while its IV percentile stands at 39.84%, which places current volatility in a neutral historical range rather than an elevated one. In other words, although the absolute IV level is high, relative to its own past it is not especially stretched, so option pricing looks broadly fair rather than distinctly cheap or expensive. With the IV/HV ratio at 0.91, implied volatility is also sitting slightly below realized volatility, suggesting the market’s forward volatility pricing is modest relative to what the stock has recently delivered. The Call/Put volume ratio is 2.61.
Large Trades
A call spread calendar package with a net debit of $1.38 million was the largest displayed block, built as a four-leg diagonal/call spread structure: long the 177.50 call expiring 2026-08-28 and short the 185.00 call in the same expiry, while also short the 195.00 call expiring 2026-09-04 and long the 202.50 call in that later expiry. With COIN referenced at 190.72, the near-dated 177.50 and 185.00 calls were in the money, while the later 195.00 and 202.50 calls were out of the money. This is best viewed as a call spread combination executed for a net debit, pointing to a directional bullish stance with defined risk, likely targeting upside into the near-term while using the short calls to reduce premium outlay and shape the payoff across two expirations rather than pursuing an outright naked call purchase.
Another call spread calendar package went through for a net debit of $558,800.00, using the same strategic template: long the 175.00 call expiring 2026-08-28, short the 182.50 call in that same expiry, short the 195.00 call expiring 2026-09-04, and long the 202.50 call in the later expiry. Relative to the 190.72 stock reference, the 175.00 and 182.50 calls were in the money, and the 195.00 and 202.50 calls were out of the money. Like the larger trade, this was a debit call spread/diagonal structure that suggests a moderately bullish outlook, expressing an expectation for constructive price action while capping portions of upside in exchange for lower cost and more controlled exposure. Overall, the large-trade flow leans clearly bullish: the dominant activity was concentrated in net-debit call structures, and the broader block flow also showed bullish positioning outweighing bearish trades, indicating traders were willing to pay premium for upside exposure while keeping risk defined rather than positioning for a major downside move.
Strategy Reference
For traders seeking a lower-assignment-probability income approach, selling the 240.00 call in the nearest monthly expiration offers a defined-risk alternative, while a bullish call debit spread using the 195.00/202.50 strikes aligns with the observed large-trade flow without requiring substantial margin outlay.
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