Expedia (EXPE) is down $1.54 to $22.76 and has suffered a four-day 14.1 percent slide, even after the company reported better-than-expected earnings and revenues yesterday. In the options market, Bearish activity was detected in Expedia, with 10147 puts trading, or 8x the recent avg daily put volume. The top trade is 1352 Jan10 puts at the 20 line for 90 cents. 5045 traded, 57 percent trading ask-side. April and Nov 22.5 puts are seeing interest as well. Implied vols are up to 47, from about 42 late yesterday.