> Is there some lag after IPO's before the options market is established? The shortest dated, exchange traded options are weeklies. These expire on Fridays. I

> Is there some lag after IPO's before the options market is established? The shortest dated, exchange traded options are weeklies. These expire on Fridays. I'd imagine you won't see volume there until at least Tuesday, though. In order to buy puts, someone needs to write them. Any reasonable seller will be delta hedging their position by shorting the underlying shares. Since equities settle T+2, it won't be easy to short the shares until Tuesday.