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  1. J

    What is a Voluntary Corporate Action?

    RTFM! (Read the filings, man!) https://www.sec.gov/edgar/searchedgar/companysearch.html Further hint: You've got holdings in a SPAC. What did you think they were going to do?
  2. J

    polygon.io SSL certificate expired? :-)

    Such issues are typical of startups. I tried them as a backup feed and cancelled after a few months. Polygon still have a lot of work to do. If they survive their startup and improve quality, I'll look again. However, if you can't afford $199/mo for derivatives data you probably shouldn't be...
  3. J

    Error in YahooFinance market data

    Demand a refund.
  4. J

    Very fundamental question about stocks and its price

    They're not short selling - they're unwinding their shorts...
  5. J

    Very fundamental question about stocks and its price

    It's exactly as it sounds - a short position is already in play when the IPO starts trading and is unwound to support the share price from paper hands.
  6. J

    Crypto company sues SEC for illegal procedures

    Doesn't have the same ring: "O say does that star-spangled banner yet sue O'er the land of the free and the home of the litigous?"
  7. J

    Source for Session/Market Hours?

    It's quite clear from the postings here that brokers don't keep up-to-date on session time changes. The ONLY place you should be using is the published contract specifications on the exchange web site.
  8. J

    Bankrupt stocks and continuing symbols?

    No, this is wrong. Companies reorg quite frequently - some go through a bankruptcy process as part of this. Of course they should continue the price time series if your holding continues in some form therefafter - and the prices should be adjusted according to your holding adjustment as part...
  9. J

    Very fundamental question about stocks and its price

    Also remember that short positions are typically built into IPO
  10. J

    Bankrupt stocks and continuing symbols?

    I don't understand your question. GM went bankrupt. Traded as GMGMQ on Pink sheets for a while then traded as MTLQQ until it died in 2011. The new GM has nothing to do with the old one, as far as your shareholding is concerned. If you bought GM in 2006, you now have nothing. There are a...
  11. J

    Bankrupt stocks and continuing symbols?

    All that announcing bankruptcy does is stop your creditors from being paid and give time to negotiate/raise capital/liquidate etc. Tickers can be reused - happens all the time. Holdings in a ticker on date X don't imply you still have a holding in that security on date Y, or that the legal...
  12. J

    Post IPO auction

    Imbalance can only be shown once multiple quotations are in.... imbalance is just a derivation from submitted quotes. So the source data is the quotes themselves, which aren't that many.... On other platforms I've watched a few IPOs that I've been in come to market and it's prone to...
  13. J

    Post IPO auction

    NxCore had the usual premarket halt messages at 03:07 and 07:21 At 10:35:00, a Halt: IPO_ReleaseForQutation came in, and from then on there were over 100 quotes that came in (none of them actually updated NBBO) with the last around 11:27. The first trade came in at 11:28:01.279 with trade...
  14. J

    Post IPO auction

    I'm not a big boy, but I can look in NxCore to see what arrives there to see if things can then be timed with a broker. Pick a recent example or two and I'll check it out.
  15. J

    Use the API to disable manual orders sent to TWS

    This guy needs to work on his personal psychology. If he can't figure out how to stop trading when rules have been clearly defined, he's more like an addict.
  16. J

    Sophisticated portfolio management software for multiple strategies

    RealTest will do some of that for you, at least the backtesting/signal generation part. Not sure about options support though. https://mhptrading.com/ RealTest does have order output capabilities, but I'm not sure it can split orders between brokers. They have an active forum and are developing...
  17. J

    Trade busted (reversed) after 3 days. I cant understand

    Which stock? Amount? Sounds like you were executed at an erroneous price. There are no free lunches here.
  18. J

    API choice: Sterling or Silexx or EZE(RealTick)?

    Different order flow across venues and redundacy (of course)
  19. J

    Someone posted this on reddit - coming from IB

    OP provides no details of what he is trading - complete fail post.
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