■ 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 — 30 — is the max pain price.
Open interest by strike · Fri, Sep 11
■ calls (up)■ puts (down)DOW open contracts per strike for Fri, Sep 11.
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, Sep 11
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Sep 11
— call IV— put IVATM ≈ 37.5% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Sep 11
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, Sep 11
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.99
-0.00
24
0.0100
0.00
-0.01
-0.03
0.98
-0.00
25
0.0172
0.00
-0.01
-0.05
0.96
-0.01
26
0.0294
0.01
-0.01
-0.07
0.93
-0.01
27
0.0490
0.01
-0.01
-0.12
0.87
-0.02
28
0.0772
0.02
-0.02
-0.18
0.78
-0.02
29
0.1106
0.02
-0.02
-0.27
0.65
-0.03
30
0.1375
0.03
-0.02
-0.39
0.51
-0.03
31
0.1456
0.03
-0.02
-0.52
0.37
-0.02
32
0.1332
0.03
-0.02
-0.65
0.26
-0.02
33
0.1094
0.03
-0.02
-0.75
0.18
-0.02
34
0.0842
0.02
-0.02
-0.83
0.12
-0.01
35
0.0626
0.02
-0.01
-0.89
0.08
-0.01
36
0.0458
0.01
-0.01
-0.92
0.06
-0.01
37
0.0332
0.01
-0.01
-0.95
0.04
-0.01
38
0.0241
0.01
-0.01
-0.96
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. 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.