Chart on website

[Asher]

When does the TOPI (or any chart) get updated ?

[SimonPB]

asher, you talking the java charts I assume. On stocks they update during the day with 15 min delay, but only the high, low & close is accurate. Open = close = current 15 min delayed. Then at 9pm all indices and non stocks get a full update and stocks get correct open price.

[Asher]

Simon, is there a reason that the opening price does not appear throught out the day? Does the opening work the same as the closing action? It does not sound like the share opening price is the first trade of the day :)

[SimonPB]

no idea why not. An opening price = first trade of the day (be that at 9am or later). Opening auction, yes from 8.30am - 9.00am.

[Mic]

Simon is there after hours trading on wave warrants. For example if I have a sell order @ 100 and the market closes @ 16H45 @ 97 and I leave my sell order for next day, can it still get sold after hours @ my sell price. Thanks

[SimonPB]

mic, short answer = no. WAVE trading ends at 4.50pm when we enter the closing auction and starts again at 9.10am. BUT if it is a Topi wave (or warrant) the issue can do/undo the hedge until 5.45pm and from 8.30am as the futures market trades longer then the JSE. So you could call the issuer and ask then to close the hedge for you at your price (if possible) and then you'd do the trade tomorrow when we open. BUT the issue is not obliged to do this and they need to trust you, ideally you really need to have built a relationship with them.

[Mic]

Thanks a mil

[Asher]

Hi Simon. Just checked that the TOPI chart still shows yesterdays info :(.
I have a few questions about the opening auction for you :):
why is it 30mins long - not to say why not 20 or 45 mins, but why such a length of time?; Do they use that time to decide which trade goes in first?
and is the first trade a single trade starting where they ended at the previous days closing or a group of trades placed at the same price?

Thanks...

[SimonPB]

Hey Asher, will check why not updated (it is now and should be at 9).

30 minutes, no real clue. But there is a lot of data/news/moves from over night to process for brokers etc. Who goes first is not one person/broker but rather a number of peoples but all in one tarde. What happenms is that buy/sell orders are entered into the system from 8.30am and then at 9.00am the JSE system works out at what price does the largest volume trade, that is then the opening trade and as mentioned could be a number of brokers/clienmts not just one and is often a large tarde as is the closing 5pm trade.

[Asher]

Thanks for clearing that up for me.