I have TTS and have been trading for a while but never went for M2M accounting. For 2020 I changed to M2M and called IB to tell them about it. I just got my 1099 and its the same way I used to have my old 1099s - with all the wash sales in there. With 1000s of transactions, trying to figure it all out seems very daunting. Any idea whats the best way to move forward - will IB give me a 1099 without all the wash sales. I am sure it will also be helpful if thats what is send to IRS so everything matches.