Your attachment shows that NVDA closed at $195.94 but spike in after-hours trading above $205 according to one source and not to another. In the case of NVDA on trade date Jul 22 2021, there were no corporate actions involved (there was a 4:1 stock split a couple of days earlier, but this is unrelated). Some sources will only report a subset of trades.
For regular market-hours trading, the rules are well-defined by the Consolidated Tape Association and the UTP Plan.įor after-hours and pre-hours trading, there are no rules regarding trades. Trading errors/spikes are a significant trap for the unprepared, especially when there are corporate actions involved such a dividends, spinoffs, splits etc.ĭifferent sources will include/exclude certain trade conditions and/or exchanges/trading venues. Answer: something else (it's complicated!)Īfter-hours and pre-hours trading is not subject to any price barriers or halts, and is mostly unregulated accordingly.
0 kommentar(er)
