How to Read an Options Symbol (OSI Format)
How to read an options symbol: decode the OSI root, expiry, call or put flag and eight-digit strike, plus adjusted roots, SPXW and why 00007500 is $7.50.
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How to Read an Option Chain, Column by Column
An option chain lists every strike and expiration for one stock. See what the bid, ask, volume, implied volatility and delta columns each measure.