I-Stop Parabolic Stop and Reverse, eyaziwa ngokuba yi-SAR yeParabolic, yindlela elandelayo ibonakaliso eyenziwe nguJ. Welles Wilder. I-SAR yeParabolic iboniswa njengomgca owodwa wecala (okanye amachaphaza) ngaphantsi kwemigangatho yamanani kwi-uptrend, nangaphezulu kwemigangatho yentengo kwi-downtrend.
I-SAR yeParabolic ine imisebenzi emithathu ephambili:
- Ukugqitywa kwinqanaba langoku lexabiso (umendo).
- Ukubonelela ngeendlela zokungena.
- Ukubonelela ngeempawu zokuphuma.
Lezo zicelo zixutyushwa ngeenkcukacha ezingezantsi.
Ukubala kweSAR
Isalathisi sePARM (SAR) (PSAR) sisebenzisa ixabiso eligqithisileyo kakhulu (eliphezulu nelona liphantsi) (EP), kunye ne-factor acceleration (AF), ukuchonga apho kuza kugqitywa amachaphaza okubonisa.
I-SAR yeParabolic ibalwa ngolu hlobo lulandelayo:
Undrend: PSAR = Ngaphambi kwe-PSAR + Prior AF (phambili EP - Prior PSAR)
I-Downtrend: PSAR = Ngaphambi kwe-PSAR - Ngaphambi kwe-AF (Ngaphambi kwe-PSAR - Prior EP)
Kuphi:
EP = Iphakamileyo phezulu kwiindawo eziphezulu, kwaye ezantsi kakhulu ezantsi ukuhlaziywa kwexesha eliphantsi rhoqo kwi-EP entsha.
AF = Ukungafihli kwe-0.02, ukwandiswa ngo-0.02 ngalunye ixesha i-EP entsha ifumaneka, ene-0.20.
Oko oku kubalwa kwakha ichaphaza (enokuthi idibaniswe nomgca ukuba unqwenela) ngaphantsi kwenyathelo lokunyuka kwentengo, okanye ngaphezulu kwesenzo sokunyuka kwentengo. Amachaphaza / umgca wenkxaso unqamle i-current price direction. Amachaphaza ahlala ekhona, nangona kunjalo, oko kutheni isibonakaliso sibizwa ngokuba 'siyeke kwaye siphendule'.
Xa ixabiso liwela ngaphantsi kwamacandabu aphakama, amachashaza afaka ngaphezulu kwexabiso lexabiso. Xa ixabiso lijikeleza ngamachaphaza awela, amachaphaza afaka ngaphantsi kwexabiso elingaphantsi.
Ngenhlanhla, isofthiwe esichaphazelayo yenza konke oku kubalo kuthi. Umfanekiso 1 ubonisa ukuba i-SAR yeParabolic ibonakala njani kwitshathi.
Indlela yokuThengisa nge-SAR yeParabolic
Ukusetyenziswa okuyisiseko kwe-SAR yeParabolic ukuthenga xa amachashaza ehambisa ngaphantsi kweemvalo zexabiso (ukubonisa i-uptrend) kwaye uthengise / mfutshane-thengisa xa amachashaza ashukuma ngaphezu kweemvalo zamanani (ukubonisa i-downtrend).
Oku kuya kubangela ukubonakaliswa kweempawu zorhwebo, nangona kunjalo, njengoko umhwebi uya kuhlala enesimo. Oku kulungile ukuba ixabiso lenze i-big swings back and out-ukuvelisa inzuzo kworhwebo ngalinye - kodwa xa ixabiso lenza kuphela amancinci kwinqanaba ngalinye, le miqondiso yezorhwebo inokuvelisa amanqaku amaninzi ngokulandelana.
Ngoko ke, kungcono ukuhlalutya intlawulo yesenzo somhla ukujonga ukuba umgangatho (ukuba kukho omnye) uphezulu okanye uhla . Esinye isalathisi esinjengomlinganiselo ohambahambayo okanye i- trendlines nayo ingasetyenziselwa ukuseka ulwalathiso lwendlela yonke. Ukuba kukho umendo, yithatha kuphela iimpawu zorhweba kwiindlela eziqhelekileyo. Ngokomzekelo, ukuba umgangatho uphantsi (ngokusekelwe kuhlalutyo lwakho), zithatha kuphela iimpawu zorhwebo ezincinane - xa amachashaza efayili phezulu kwimiba yentengo - kwaye uphume xa amachaphaza efayili ngaphantsi kwemivalo yamanani. Ngale ndlela, isibonakaliso sisetyenziselwa amandla ayo: ukuhamba ngokuhamba. Ukuba uye wasungula umgangatho jikelele, ngoko ke awunakuze ufune ukuxhalabisa ngobuthathaka obonakalisiweyo: iimpawu zorhwebo ezingenakuncedo xa kungekho ndlela.
Umzobo wesi-2 ubonisa ezinye izinto ezinokuthi zifakwe kwi-intanethi emfutshane, kunye nokuphuma. Kwakhona kubonisa ixesha apho ixabiso lihambela kwicala; eli xesha lingaba lilungele ukuthatha amashishini asekelwe kwi-SAR yeParabolic.
Iimveliso kunye neNgxowa ye-SAR yeParabolic
Inzuzo ebalulekileyo yesikhombisi kukuba ngethuba elomeleleyo isalathisi siza kugxininisa indlela enamandla, ukugcina umthengisi ekuhambeni okuhamba phambili. Isibonakaliso sinika kwakhona ukuphuma xa kukho ukuhambelana nokuhamba, okungafaka uphawu lokuguqulwa. Ngamanye amaxesha oku kugqitywa kukuphuma kakuhle, njengoko ixabiso liguquka; ngamanye amaxesha akukho ukuphuma okukhulu kuba ixabiso ngokukhawuleza liqala ukuhamba kwicala elihamba phambili kwakhona.
I-drawback enkulu ye-indicator kukuba iya kunika ingqiqo encinane yokuhlalutya okanye iimpawu zorhwebo ezilungileyo ngexesha leemeko zemarike. Ngenxa yokuba akukho mqondiso okhoyo, isibonakaliso siya kuhlala sihlahlela phezulu nangaphantsi kwexabiso. Olu hlobo lwentengo lunokuthi luphele yonke imini, ngoko ukuba umthengisi wosuku uthembele kuphela kwi-SAR yeParabolic yezandla zorhwebo, kulo mzekelo, unokuba ngumhla omkhulu wokulahlekelwa .
Yingakho kukhuthazwa ukuba abarhwebi bafunde ukuchonga umgangatho - ngokuthatha isenzo sokunyuka kwentengo okanye ngoncedo lwesinye isibonakaliso - ukuze banokuphepha imigcino xa umgangatho ungekho, kwaye uthathe amashishini xa kukho isimo.