玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.22-8.33-18.527.35-18.6-43.42415.1511.5122.9912.3822.8276.6335.616.2160.1691.9238.48-31.91
24Q2 (19)0.24-4.0-22.589.03-14.08-24.94372.301.8526.110.0816.433.33316.0013.8289.666.38-31.26-51.24
24Q1 (18)0.25-16.6713.6410.51-27.3734.23365.5321.54-12.088.6637.68-25.54277.6334.0828.0196.56-3.41-54.12
23Q4 (17)0.3011.113.4514.4711.3919.49300.75-10.9-3.236.29-10.27-16.25207.07-1.1817.2399.97-25.95-29.43
23Q3 (16)0.27-12.9-22.8612.997.98-29.36337.5414.3229.217.01-7.2841.62209.5525.7335.73135.00-0.8420.75
23Q2 (15)0.3140.91-11.4312.0353.64-27.92295.25-28.9812.357.56-35.038.72166.67-23.157.91136.14-35.3219.62
23Q1 (14)0.22-24.14-26.677.83-35.34-53.78415.7333.7735.4211.6354.86116.57216.8822.7920.14210.4848.5859.67
22Q4 (13)0.29-17.14-43.1412.11-34.15-55.23310.7818.9673.947.5151.72123.51176.6314.4181.51141.6626.7167.21
22Q3 (12)0.350.0-12.518.3910.19-8.64261.24-0.5914.474.95-9.179.51154.39-0.0431.8111.80-1.77-3.28
22Q2 (11)0.3516.67-16.6716.69-1.48-37.77262.80-14.3919.985.451.4960.77154.45-14.4534.37113.81-13.665.88
22Q1 (10)0.30-41.187.1416.94-37.38-24.91306.9971.82-4.235.3759.8233.25180.5385.5232.37131.8255.59-29.96
21Q4 (9)0.5127.534.2127.0534.38-22.76178.67-21.71-24.923.36-25.6629.2397.31-16.9310.5384.72-26.71-44.46
21Q3 (8)0.40-4.7617.6520.13-24.94-24.32228.214.19-15.674.5233.3332.16117.141.916.94115.597.54-29.73
21Q2 (7)0.4250.02.4426.8218.883.63219.04-31.67-2.243.39-15.88-3.69114.94-15.721.84107.49-42.89-6.29
21Q1 (6)0.28-26.3255.5622.56-35.5887.84320.5534.7-37.484.0355.0-46.83136.3854.91-52.88188.2023.39-18.48
20Q4 (5)0.3811.76-20.8335.0231.6513.81237.97-12.0625.052.60-23.98-12.1688.04-19.63-19.65152.53-7.2782.26
20Q3 (4)0.34-17.070.026.602.780.0270.6120.780.03.42-2.840.0109.54-2.940.0164.4943.410.0
20Q2 (3)0.41127.780.025.88115.490.0224.05-56.30.03.52-53.560.0112.86-61.00.0114.70-50.320.0
20Q1 (2)0.18-62.50.012.01-60.970.0512.71169.420.07.58156.080.0289.42164.140.0230.86175.850.0
19Q4 (1)0.480.00.030.770.00.0190.300.00.02.960.00.0109.570.00.083.690.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)1.10-6.7841.28-26.33332.397.318.8435.79206.9923.01134.25-9.29
2022 (9)1.18-12.5956.03-51.33309.7614.176.51105.36168.2740.66148.00-4.42
2021 (8)1.3512.5115.1329.99271.31-10.613.17-23.06119.63-21.87154.850.21
2020 (7)1.20-31.4388.57-24.28303.5245.944.1232.05153.1234.25154.5259.22
2019 (6)1.75-6.91116.9715.32207.987.163.12-13.33114.065.7897.058.0
2018 (5)1.8824.5101.4339.79194.09-19.813.60-28.43107.83-28.7389.86-6.19
2017 (4)1.51072.560242.0505.030151.29095.790

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