Schaeffers Investment Research·2025-10-06 19:13Group 1 - Archer Aviation Inc (NYSE: ACHR) is experiencing significant options trading activity, with volume running at five times the typical amount due to rumors of a partnership with Tesla [1][2] - The most active options contracts include the weekly 10/10 12-strike put and the October 13 call, with new positions being opened in both [2] - Prior to the partnership rumors, there was a short-term bearish bias indicated by the Schaeffer's put/call open interest ratio, which is in the 73rd percentile of annual readings [3] Group 2 - Archer Aviation's stock price increased by 16.7% to $13.51, reaching its highest level since July, and is on track for its fourth consecutive gain [4] - The stock has shown a 100.8% increase over the past six months, with some of the recent price surge attributed to short covering [4] - Short interest has risen by 9.3% in the last two weeks, accounting for 18.7% of the stock's available float, indicating potential buying power [4]