3 ms·

Just one problem though, in times of extreme market volatility and volume, Thinkorswim freezes up. Like today, it was unusable at times.

• brxdy 11y ago
  was that limited to ToS though? Wasn't much liquidity out there
  • vikas5678 11y ago
    Interactive Brokers and Tradestation didnt have much issues, but yes, getting filled on trades, especially options trades was a nightmare.
    • tradinup 11y ago
      I was wondering about this, so Interactive Brokers was still pretty solid during last Mondays market swings?