Event risk before this expiration:Jobs report Fri, Aug 7 · CPI release Wed, Aug 12 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 141 — is the max pain price.
Open interest by strike · Fri, Aug 21
■ calls (up)■ puts (down)ABNB open contracts per strike for Fri, Aug 21.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Aug 21
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Aug 21
— call IV— put IVATM ≈ 52.9% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Aug 21
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Fri, Aug 21
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.72
-0.18
144
0.0198
0.11
-0.18
-0.28
0.70
-0.18
145
0.0205
0.11
-0.18
-0.30
0.68
-0.19
146
0.0212
0.11
-0.19
-0.32
0.66
-0.19
147
0.0218
0.12
-0.20
-0.34
0.64
-0.20
148
0.0223
0.12
-0.20
-0.37
0.61
-0.20
149
0.0228
0.12
-0.20
-0.39
0.59
-0.20
150
0.0231
0.12
-0.21
-0.41
0.53
-0.21
152.5
0.0237
0.13
-0.21
-0.47
0.47
-0.21
155
0.0238
0.13
-0.21
-0.53
0.41
-0.20
157.5
0.0234
0.13
-0.20
-0.59
0.36
-0.19
160
0.0226
0.12
-0.19
-0.65
0.30
-0.18
162.5
0.0213
0.11
-0.18
-0.70
0.25
-0.16
165
0.0197
0.10
-0.16
-0.75
0.21
-0.14
167.5
0.0178
0.09
-0.14
-0.80
0.17
-0.13
170
0.0157
0.08
-0.13
-0.84
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 49 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.