0DTE4 : More detail. Calibrate typical date. The first 9-32:00 timestamp fails to calibrate due to odd data. Usually ok. Also we see put-call violated in my data set at times so I guess need to be careful of a snap shot. Just looking to see that the LHS becomes more like a smile at we approach expiry. It does as it should. My stochastic QD model close to SVI here on 0DTE (less so in BTC but will get back to that). Calibration and metrics out 30min to expiry not too bad.
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