What does Quadruple Witching mean?
On the third Thursday of each month stock options, futures options, and commodity futures expire. Four times per year in March, June, September and December, futures on indexes like ES for the S&P500 expire. Options expiration dates are more volatile in general. During Quadruple expiration, the addtion of the future indices expiring adds an addtional layer of volatility and every trader should be aware of both triple and quad witching dates.
SpyGate Detection Table
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Price Action During Program Trades March 22, 2021

The STTProgram trades when translated to a time price chart using green arrows for buy-programs and red provides a clear pattern. The program trades add directional momentum to the price action. If the momentum is down and programs are firing sell programs, it is best to join the bots. Once momentum changes and the bot direction changes, consider exiting or reversing.
This is our first daily watch on 4xOPEX and the number of trades did not disappoint. It is clear to see that once the S&P rose into the 3910 area the tape lost a great deal of directional momentum and became pinched until the MOC. Despite the MOC being a nice $5 billion to buy, the pent up tape on the closing bar needed to head lower. Observationally, we see the bots desperately buying between 15:00 ET and the 15:50 reveal. We are not sure if these were exiting or entering traders but once the sell programs hit, the market gave up all the afternoon gains.
What is SpyGate:
SpyGate is a proprietary tape reader that analyzes price action on all the exchanges and sniffs out unusual trades. This detector follows price action and accumulates adaptive knowledge using Machine Learning (ML) and Deep Learning Artificial Intelligence (AI) to deduce algorithms and program trades as they are executing. The first implementation detects STTPrograms ( Simulatanousely Triggered Trades). These trades are in the many thousands and millions of dollars and are executed all at once on many different symbols. This product is under heavy development and currently available free for our traders in our TradeChat trading room along with the MiM and live breaking news. You can join us by purchasing a subscription to the MiM.