Implied volatility for at-the-money options expiring in November, a measure of expected price swings in futures and a gauge of options prices, was 37 percent at 1 p.m. in New York, down from 37.4 percent yesterday.
Oil for October delivery fell $1.57, or 1.8 percent, to $87.83 a barrel at 1:11 p.m. on the New York Mercantile Exchange. Futures have fallen 3.9 percent this year. November futures retreated $1.50, or 1.8 percent, to $88.08 a barrel.
The most active contract in electronic trading today was November $75 puts, with 2,789 lots changing hands. The options rose 5 cents to 80 cents a barrel. November $110 calls, the next-most-active options, slipped 2 cents to 11 cents a barrel on volume of 1,386 lots. One contract covers 1,000 barrels of crude.
October options expired at the close of Nymex floor trading yesterday.
The exchange distributes real-time data for electronic trading and releases information on floor trading, where the bulk of options trading occur the next business day.
November $80 puts were the most active non-October options traded in the previous session, with 2,710 lots changing hands. They fell 25 cents to $1.36 a barrel. The next-most active options, December $85 puts, retreated 43 cents to $4.14 a barrel on volume of 2,671.
Open interest was highest for December $100 calls with 51,497 contracts. Next were December $70 puts with 45,627 and December $50 puts with 45,353. source www.bloomberg.com For the latest updates PRESS CTR + D or visit Stock Market news Today
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