Doing Some Backtesting by Hand for the first time, have a few ?s

zghorner · Oct 25, 2023

tony.m said:
Backtest with bar replay and see if you get similar results. Do you have access to bar reply ?

Nice, I use tradingview and didn't realize this was available, thank you.

MarkBrown · Oct 25, 2023

one caveat about historical testing if you use limit orders you will get erroneous results because it will give you fills that in real life trading are not obtainable.

zghorner · Oct 25, 2023

MarkBrown said:
one caveat about historical testing if you use limit orders you will get erroneous results because it will give you fills that in real life trading are not obtainable.

thank you, i use market orders for this type of trading.

Small position sizing and only trading liquid hours I feel like market order is the way. you agree?

MarkBrown · Oct 25, 2023

zghorner said:
thank you, i use market orders for this type of trading.

Small position sizing and only trading liquid hours I feel like market order is the way. you agree?

i always use a market order first and then immediately place a limit order to add at better price, then after that i place further limit orders near my large stop. giving me some relief from the drawdown while i decide to flip or ride it out.

so what i'm saying is if i have a signal that didn't work out - i want my money back now not latter and i'm willing to fight for it whatever it takes. however if you need 1 bullet you might wanna have another 9 in your pocket just in case.

trade size well below your leverage capability so you can use it when you need it.

hard to program but it's possible using flags.

tue-thur 8:30-9:30

zghorner · Oct 25, 2023

lol

tomorton · Oct 26, 2023

My rule on backtesting is to treat it like any other research project - which means, decide on the questions I want my data to answer before I start collecting data.

murray t turtle · Oct 26, 2023

zghorner said:
lol

%%
Good pic;
but most use 2 motors. Even if one is an smaller non petrol electric motor. LOL
Made a lot more with a larger work boat than a luxury boat, but I'm not a licensed pilot or captain

peppermint_tea · Nov 6, 2023

When i used to backtest manually, the biggest problem i always found was hindsight bias. It's very easy for our eyes to get drawn to the setups that do validate our ideas, because naturally you don't want to find that it doesn't work - but that's exactly what we should be trying to find imo.

murray t turtle · Nov 7, 2023

peppermint_tea said:
When i used to backtest manually, the biggest problem i always found was hindsight bias. It's very easy for our eyes to get drawn to the setups that do validate our ideas, because naturally you don't want to find that it doesn't work - but that's exactly what we should be trying to find imo.

%%
Looking a lot more charts helps,pTeA;
+ walking/even if that does not help trading a lot, helps health LOL

zghorner · Nov 7, 2023

peppermint_tea said:
When i used to backtest manually, the biggest problem i always found was hindsight bias. It's very easy for our eyes to get drawn to the setups that do validate our ideas, because naturally you don't want to find that it doesn't work - but that's exactly what we should be trying to find imo.

Same...I saw myself looking back at moves in my mind acting like I would have stayed in the trade for far longer than was reality...capturing insane moves. Delusional.