How do I compare the current price with that 1 hour ago? BetFair betting bot - MarketFeeder Pro - triggered automated betting software

There are two ways of doing this: through a special trigger condition, and through a trigger variable.

1. Trigger condition

Selection's Back Price Dif over [x] mins

Selection's Lay Price Dif over [x] mins

By inserting a number instead of [x], you can get the absolute price difference within the last x minutes. The word "absolute" means that the difference is not given in price ticks. For example, if the back price was 4.0 ten minutes ago, and now became 4.4, then the condition:

Selection's Back Price Dif over 10 mins is equal to 0.4

will be true, because the price has changed exactly by 0.4. If it were 4.4 five minutes ago, and became 3.8, then "Selection's Back Price Dif over 5 mins" will be -0.6.

Therefore to know how much the price changed within the last hour, construct a similar condition:

Selection's Back Price Dif over 60 mins ...

or

Selection's Lay Price Dif over 60 mins ...

2. Trigger Expression

There are special trigger variables returning the price difference over time as an absolute value, and as a number of ticks. They are, respectively, pdif_[number] and tdif_[number]. You can use these variables in trigger expressions. To find out whether the back price grew more that by 5 ticks over the last 20 minutes, create the following condition:

Trigger Expression tdif_20 is greater than 5

Another example: finding out if the price has dropped by more than 20% over the last 15 minutes:

Trigger Expression -pdif_15*100/(back_price-pdif_15) is greater than 20

If the price was - say - 6.0 fifteen minutes ago, and became 5.0, then pdif_15 will return -1.0. Inserting these figures in the formula will give us:

--1*100/(5--1) = 100/6 = 16.67%

So it is not greater than 20.

Examples

1. Lay on any selection whose price increased by 3 or more ticks over the last 10 minutes

Action: lay
Price: lay_price
Amount: specify amount
Markets, Market Status: choose appropriate
Selections: All Matching Selections
Execute: once per market
Conditions are met:
Any Selection's Lay Price is greater than 0
and Trigger Expression tdif_10 is equal or greater than 3

2. Lay on any selection whose price increased by 20% over the last 10 minutes

Action: lay
Price: lay_price
Amount: specify amount
Markets, Market Status: choose appropriate
Selections: All Matching Selections
Execute: once per market
Conditions are met:
Any Selection's Lay Price Dif over 10 mins is equal or greater than (lay_price-pdif_10)*0.2

3. Back on any selection whose price decreased by 40% within the last 20 minutes

Action: back
Price: back_price
Amount: specify amount
Markets, Market Status: choose appropriate
Selections: All Matching Selections
Execute: once per market
Conditions are met:
Any Selection's Back Price Dif over 20 mins is equal or less than -(back_price-pdif_20)*0.4

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