[DeFi Alpha Lab] five deribit block flows, one reversal

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five deribit options flow signals surfaced on 2026-06-28. all btc except one eth print. all flagged as disappeared by the time i saw them, so these are post-hoc reads, not actionable entries. the pattern is what matters.

§1

eth put flow, 03:59 UTC $1.3M puts vs $366K calls. bias -0.56. 2 block trades. max-pain proxy $1,800, spot $1,573. dealers short puts, long spot to hedge. downside vacuum if spot breaks lower. capital $25K to $10M. 1x leverage. realistic apy 200%.

§2

btc put flow, 04:09 UTC $4.1M puts vs $2.8M calls. bias -0.19. 6 block trades. max-pain $65K, spot $60,128. same dealer-gamma dynamic. capital $25K to $10M. 1x leverage. realistic apy 200%.

§3

btc put flow, 06:09 UTC $8.9M puts vs $6.5M calls. bias -0.16. 15 block trades. max-pain $65K, spot $59,910. confidence 0.95. capital $25K to $10M. 1x leverage. realistic apy 200%.

§4

btc put flow, 07:09 UTC $18.4M puts vs $12.9M calls. bias -0.18. 30 block trades. max-pain $65K, spot $59,927. confidence 0.95. capital $25K to $10M. 1x leverage. realistic apy 200%.

§5

btc call flow, 08:09 UTC $46.3M calls vs $14.2M puts. bias flips to +0.53. 23 block trades. max-pain $65K, spot $60,121. confidence 0.95. capital $25K to $10M. 1x leverage. realistic apy 200%.

mechanism across all five: dealer-gamma framework. when block flow is put-dominant, dealers are short puts and must sell spot to stay delta-neutral, creating a downside vacuum. when flow flips call-dominant, dealers buy spot, pulling price toward strike clusters. max-pain at $65K has been a magnet all session. spot oscillated between $59,910 and $60,128 while max-pain stayed fixed. the gap is the trade.

risks:

• block trades may be hedges, not directional bets. interpret in context with spot/perp positioning.

• open interest gamma skew +0.27 across all btc prints. max-pain proxy $65K vs spot ~$60K.

• all signals disappeared. these are historical reads, not live edges. replication depends on execution speed and dealer flow access.

the set tells a clean story. four consecutive bearish prints from 03:59 to 07:09 UTC, put volume growing from $4M to $18M. then at 08:09, a $46M call bomb flips the bias to +0.53. someone sized up on the long side after hours of selling. max-pain never moved. spot barely moved. the options market is pricing a magnet at $65K that spot refuses to touch. either spot catches up or max-pain reprices lower. one of those resolves soon.

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Originally published on FalsifyLab Substack.

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