"Also, that price-capping robotrader seems to be active again. Constraining the price?"

I don't understand why people think robo-trader is "capping" the price. Am I turned around in my thinking (wouldn't be the first time)?

From approx 1:00 p.m. to the close yesterday robo-trader was continually hitting the "ASK" price and holding the price at 0.165.

At around 3:40 p.m. someone sold (probably at market) and the price dropped to 0.16. A minute or so later robo-trader again hit the "ASK" and the price went back to 0.165.

There was a robo-trader some time back that was hitting the "BIDS" and holding the price at the lower range of the spread. This robo-trader is keeping the price at the top of the spread. If someone came in and pushed the price to 0.17 with a large buy at market, would the robo-trader continue at 0.165 or would he bump his offer to buy up to 0.17. We never got the chance to find out as there was an endless supply at 0.165.

Am I missing something here?

P.