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Behind the curtain: How your insurance premium is determined

Behind the curtain: How your insurance premium is determined

February 6, 2019

Behind the curtain: How your insurance premium is determined

Ever wonder why you’re paying the premium you’re paying? It’s not arbitrary.

Read on to take a peek into some factors that can determine the amount you’ll pay. An insurance company acts as source of money to pay benefactors in case an insurance contract is triggered. Insurance companies use statistics and probability projections to determine how much money someone should pay into the pool based on the probability that person will make an insurance claim. There are many factors that play into this premium amount, but typically those who are more likely to make a claim are required to pay more into the pool.

How insurance works
The concept itself is relatively simple: bad things happen sometimes and people want to avoid financial ruin that could arise from those bad things. To maintain peace of mind, or sometimes by law, people and/or companies will obtain insurance to reduce the risk of ruin. People also use insurance to “make themselves whole” again after financial issue, such as a car accident or the loss of income.

All those who want to obtain an insurance policy apply to be part of a pool. The insurance company then calculates how many people are in the pool, how much money they’ll probably need to pay insurance claims, then calculate each individual’s risk to the company.

For example, let’s take 500 people who want car insurance, and they drive similar cars in similar driving styles. Out of these 500 people, the company analyzes historical data from the pool and then anticipates that three people per month will make claims. Additionally, the company calculates the claim amounts based on past data and the characteristics of pool members, like driving style, location, and type of vehicle. Then the insurer adds up those claims, divides the amount by the number of members (500 here), and tells each member to pay 1/500th of the claim amount. The result is that no single person is devastated by a single catastrophic event, all 500 people have a way to cover themselves if that event happens to them, and each person only pays 1/500th of a claim each month.

Which factors affect premiums
Which factors affect premiums on an insurance policy vary widely across insurance types. Driving style and vehicle value are obvious determining factors in car insurance. But so are other factors you may not be able to change, like location: those who commute to work spend more time in their cars and thus increase the probability of having an accident, simply for being in the car longer.

Health and life insurance focus on healthy lifestyles. If you’re more likely to live longer and require less medical attention, the lower your premiums. Renters and homeowners insurance consider the value of the property and the contents therein. Insurance policies will also vary based on the amount of coverage they offer. If your fire insurance only covers $2,000 worth of possessions, all things being equal, you’re probably going to pay a lower premium than someone who wants $20,000 of coverage.

Reducing your premiums
To avoid frequently making lower-risk members pay for the claims of higher-risk members, not everyone is thrown together in the same pool. If you can adjust your personal factors so that you’re entered into a different pool, you might see substantial reductions in your insurance premium. Your insurance company or agent should be able to help you identify which factors you score high for in riskiness so you can try to reduce your costs.

For example, if you smoke, quitting may greatly reduce your premiums (although you may have a waiting period like 12 months after you quit in order to qualify as a non-smoker). If you have several speeding tickets, ask how much a driving school certificate might help reduce your premiums.

The takeaway here is that your riskiness is based on a quantification of factors and the probability that any one of those factors will trigger a claim. The expected cost of covering the claim is then multiplied by the probability the claim will occur. Similarly risky people will be grouped together, then asked to pay their portion into the pool of expected claim payouts. Changes you can make in your lifestyle may add up to significant savings with your premiums.

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