[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"help-fr-calcul-de-la-taille-de-position":3},{"title":4,"description":5,"date":6,"section":7,"locale":8,"order":9,"canonicalId":10,"slug":11,"body":12,"alternates":328},"Calcul de la taille de position","Comprendre comment l'application calcule la quantité à trader à partir du risque et du stop-loss.","2026-05-06","trading","fr",1,"position-sizing","calcul-de-la-taille-de-position",{"type":13,"value":14,"toc":319},"minimark",[15,18,29,34,37,83,99,103,112,141,144,165,169,184,222,232,236,289,294,298],[16,17,4],"h1",{"id":11},[19,20,21,22,25,26,28],"p",{},"Magic Position calcule automatiquement la quantité à trader pour qu'une",[23,24],"br",{},"\nposition respecte la politique de risque définie sur le compte. Ce",[23,27],{},"\nguide explique les ingrédients du calcul et où ils sont configurés.",[30,31,33],"h2",{"id":32},"les-trois-ingrédients","Les trois ingrédients",[19,35,36],{},"Trois informations entrent dans le calcul :",[38,39,40,65,74],"ol",{},[41,42,43,47,48,50,51,54,55,61,62,64],"li",{},[44,45,46],"strong",{},"Le montant à risquer"," — défini par la politique de risque du",[23,49],{},"\ncompte. Soit un ",[44,52,53],{},"Montant fixe",", soit un ",[44,56,57,58,60],{},"Pourcentage de la",[23,59],{},"\nbalance"," (avec une fréquence de recalcul instantanée, quotidienne,",[23,63],{},"\nhebdomadaire, mensuelle ou manuelle).",[41,66,67,70,71,73],{},[44,68,69],{},"Le prix d'entrée"," — saisi à la création d'une position",[23,72],{},"\n(ordre marché ou ordre limite).",[41,75,76,79,80,82],{},[44,77,78],{},"Le prix de stop-loss"," — niveau au-delà duquel la position est",[23,81],{},"\nautomatiquement fermée pour limiter la perte.",[19,84,85,86,92,93,95,96,98],{},"À partir de ces trois valeurs, l'application calcule la ",[44,87,88,89,91],{},"distance au",[23,90],{},"\nstop-loss"," (entrée − stop pour un achat, ou stop − entrée pour une",[23,94],{},"\nvente), puis la quantité à engager pour que la perte au stop reste",[23,97],{},"\négale au montant à risquer.",[30,100,102],{"id":101},"configurer-la-politique-de-risque","Configurer la politique de risque",[19,104,105,106,111],{},"Tout commence sur ",[107,108,110],"app-link",{"path":109},"\u002Faccount\u002Frisk","Risque du compte",".",[19,113,114,115,118,119,121,123,124,127,128,130,131,134,135,137,111],{},"Vous y choisissez un ",[44,116,117],{},"Mode de calcul"," (Montant ou Pourcentage), un",[23,120],{},[44,122,53],{}," ou un ",[44,125,126],{},"Pourcentage de la balance à risquer",", et",[23,129],{},"\noptionnellement la ",[44,132,133],{},"Fréquence de recalcul",". Un aperçu indique :",[23,136],{},[138,139,140],"em",{},"Avec une balance de X, le montant à risquer sera de Y",[19,142,143],{},"Deux options affinent le calcul :",[145,146,147,156],"ul",{},[41,148,149,152,153,155],{},[44,150,151],{},"Inclure les frais dans le calcul"," — réduit la quantité pour que",[23,154],{},"\nles frais ne dépassent pas le risque cible.",[41,157,158,161,162,164],{},[44,159,160],{},"Inclure le spread dans le calcul"," — prend en compte la différence",[23,163],{},"\nbid\u002Fask au moment de l'entrée.",[30,166,168],{"id":167},"vérifier-avant-de-trader","Vérifier avant de trader",[19,170,171,172,176,177,179,180,183],{},"Au moment de créer une position depuis ",[107,173,175],{"path":174},"\u002Fpositions\u002Fadd","Ajouter une position",",",[23,178],{},"\nune boîte ",[138,181,182],{},"Vérification de la prise de position"," récapitule :",[145,185,186,199,205,211,216],{},[41,187,188,191,192,195,196,198],{},[44,189,190],{},"Taille de position"," (avec une mention ",[138,193,194],{},"Ajustée pour marge"," si la",[23,197],{},"\nmarge disponible a contraint la taille théorique) ;",[41,200,201,204],{},[44,202,203],{},"Risque"," effectif ;",[41,206,207,210],{},[44,208,209],{},"Marge requise"," ;",[41,212,213,210],{},[44,214,215],{},"Frais estimés",[41,217,218,221],{},[44,219,220],{},"Risk\u002FReward"," entre le stop-loss et le take-profit.",[19,223,224,225,228,229,231],{},"Validez avec ",[44,226,227],{},"Valider la position",", ou ajustez l'entrée, le stop ou",[23,230],{},"\nle take-profit avant de réessayer.",[30,233,235],{"id":234},"simuler-sans-passer-dordre","Simuler sans passer d'ordre",[19,237,238,239,241,242,111,246,248,249,252,253,256,257,259,252,262,265,266,268,269,272,273,252,279,282,283,111],{},"Pour tester un scénario rapidement (sans toucher à un compte réel),",[23,240],{},"\nutilisez ",[107,243,245],{"path":244},"\u002Fbonus\u002Fsimple-calculator","Calculateur Simple",[23,247],{},"\nVous y saisissez la ",[44,250,251],{},"Direction du trade",", le ",[44,254,255],{},"Prix d'entrée",", le",[23,258],{},[44,260,261],{},"Prix stop",[44,263,264],{},"Montant à risquer",", et optionnellement les frais.",[23,267],{},"\nLe résultat indique la ",[44,270,271],{},"Quantité à trader",", la ",[44,274,275,276,278],{},"Valeur de la",[23,277],{},"\nposition",[44,280,281],{},"Montant risqué net (après frais)"," et la ",[44,284,285,286,288],{},"Distance",[23,287],{},"\nau stop-loss",[290,291],"prose-screenshot",{"id":292,"caption":293},"simple-calculator","Calculateur de position simple — pour les simulations rapides",[30,295,297],{"id":296},"et-après","Et après ?",[145,299,300,310],{},[41,301,302,303,305,111],{},"Mettre en place des règles qui automatisent les sorties — voir",[23,304],{},[306,307,309],"a",{"href":308},"\u002Fhelp\u002Ffr\u002Fcreer-une-regle-de-risque","Créer une règle de risque",[41,311,312,313,315,111],{},"Régler les paliers de fermeture partielle — voir",[23,314],{},[306,316,318],{"href":317},"\u002Fhelp\u002Ffr\u002Fconfigurer-stop-loss-et-take-profit","Configurer stop-loss et take-profit",{"title":320,"searchDepth":321,"depth":321,"links":322},"",2,[323,324,325,326,327],{"id":32,"depth":321,"text":33},{"id":101,"depth":321,"text":102},{"id":167,"depth":321,"text":168},{"id":234,"depth":321,"text":235},{"id":296,"depth":321,"text":297},[329,331,333,335,336,338,340,342,344,346,348,350,352,354,356,358],{"locale":330,"slug":10},"de",{"locale":332,"slug":10},"en",{"locale":334,"slug":10},"es",{"locale":8,"slug":11},{"locale":337,"slug":10},"id",{"locale":339,"slug":10},"it",{"locale":341,"slug":10},"ja",{"locale":343,"slug":10},"ko",{"locale":345,"slug":10},"nl",{"locale":347,"slug":10},"pl",{"locale":349,"slug":10},"pt",{"locale":351,"slug":10},"ru",{"locale":353,"slug":10},"sv",{"locale":355,"slug":10},"th",{"locale":357,"slug":10},"tr",{"locale":359,"slug":10},"zh"]