📊 RUNWAY VOL — IV Smile
Paste an option chain (strike, mid-price). Pick call/put + spot/DTE/rate. Solves IV per strike via bisection. Plots smile.
CHAIN (one per line: strike,mid)
85,16.10 90,11.50 95,7.30 100,4.20 105,2.20 110,1.10 115,.50 120,.22
SPOT
DTE
RATE %
TYPE
call
put
SOLVE SMILE