Your increased performance with TOS tick charts begs the question if perhaps your better performance might be due to a higher number of bars per time frame than you had, say with a 1 minute chart. You might average 3 or even 5 times more bars and thereby have more granularity and better performance. Just a possibility. Most people don't feel they are nimble enough to benefit from more bars, but i suspect some can. I've tested both tick charts and 5 and 10 second bars with some success. I'm still trading with 1 minute charts but when time allows will run the 5 second alongside the 1 minute.