■ 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 — 24.5 — is the max pain price.
Open interest by strike · Fri, Aug 14
■ calls (up)■ puts (down)ZETA open contracts per strike for Fri, Aug 14.
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 14
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Aug 14
— call IV— put IVATM ≈ 69.3% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Aug 14
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 14
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.99
-0.01
25
0.0227
0.00
-0.01
-0.02
0.98
-0.02
25.5
0.0400
0.00
-0.02
-0.03
0.96
-0.03
26
0.0666
0.00
-0.03
-0.05
0.92
-0.05
26.5
0.1048
0.00
-0.05
-0.09
0.86
-0.08
27
0.1553
0.01
-0.08
-0.15
0.77
-0.12
27.5
0.2130
0.01
-0.12
-0.24
0.65
-0.15
28
0.2614
0.01
-0.15
-0.35
0.51
-0.17
28.5
0.2797
0.01
-0.17
-0.49
0.38
-0.16
29
0.2619
0.01
-0.16
-0.62
0.27
-0.13
29.5
0.2195
0.01
-0.13
-0.73
0.18
-0.10
30
0.1698
0.01
-0.10
-0.82
0.12
-0.07
30.5
0.1245
0.00
-0.07
-0.88
0.08
-0.05
31
0.0883
0.00
-0.05
-0.92
0.05
-0.03
31.5
0.0614
0.00
-0.03
-0.95
0.03
-0.02
32
0.0423
0.00
-0.02
-0.96
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 46 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.