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)0.883.530.00.990.0-1.0103.68-3.710.5592.100.220.8270.22-3.4621.19125.56-1.01-8.03
24Q2 (19)0.856.256.250.99-1.9815.12107.67-5.34-5.0791.902.45-13.6272.74-4.0625.52126.84-0.6-21.64
24Q1 (18)0.80-6.98-2.441.01-1.9423.17113.747.772.7689.701.84-18.8775.826.0440.23127.614.5-23.67
23Q4 (17)0.86-2.273.611.033.053.73105.542.36-4.0888.08-3.58-35.3771.5023.414.13122.11-10.56-33.51
23Q3 (16)0.8810.0-4.351.0016.2849.25103.11-9.093.9691.35-14.14-32.7357.94-0.02-18.66136.53-15.65-16.61
23Q2 (15)0.80-2.44-15.790.864.8822.86113.422.4818.58106.39-3.78-17.5857.957.18-24.32161.86-3.199.24
23Q1 (14)0.82-1.2-14.580.8222.3910.81110.680.5917.05110.57-18.87-9.6454.07-13.7-30.89167.19-8.9720.56
22Q4 (13)0.83-9.78-14.430.670.0-12.99110.0310.9417.29136.280.3614.762.65-12.05-29.72183.6612.1748.74
22Q3 (12)0.92-3.16-14.020.67-4.29-22.9999.183.6916.1135.795.1929.3271.23-6.97-17.37163.7310.557.07
22Q2 (11)0.95-1.041.060.70-5.41-25.5395.651.15-0.85129.095.532.7876.57-2.13-4.59148.176.8430.62
22Q1 (10)0.96-1.03-1.030.74-3.9-31.4894.560.80.5122.362.9945.4678.24-12.236.68138.6812.3132.24
21Q4 (9)0.97-9.35-4.90.77-11.49-27.3693.819.815.26118.8113.1537.8689.143.4134.75123.4818.4613.13
21Q3 (8)1.0713.832.880.87-7.45-6.4585.43-11.44-1.92105.008.07.386.207.4147.83104.24-8.11-17.69
21Q2 (7)0.94-3.09-4.080.94-12.9625.3396.472.533.8397.2215.57-20.0580.259.4216.22113.448.17-22.01
21Q1 (6)0.97-4.96.591.081.8950.094.095.58-6.2884.12-2.39-33.8873.3410.87-5.16104.87-3.92-30.22
20Q4 (5)1.02-1.923.031.0613.9839.4789.122.32-3.0586.18-11.94-27.7666.1513.45-13.21109.15-13.82-19.14
20Q3 (4)1.046.120.00.9324.00.087.10-6.250.097.86-19.520.058.31-15.550.0126.65-12.930.0
20Q2 (3)0.987.690.00.754.170.092.91-7.450.0121.60-4.430.069.05-10.710.0145.46-3.210.0
20Q1 (2)0.91-8.080.00.72-5.260.0100.399.210.0127.236.650.077.331.460.0150.2911.330.0
19Q4 (1)0.990.00.00.760.00.091.920.00.0119.300.00.076.220.00.0134.990.00.0
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)3.26-2.13.5124.03111.872.18103.90-19.465.72-10.29150.04-9.14
2022 (9)3.33-15.482.83-20.06109.4818.08128.9125.1873.26-6.22165.1340.43
2021 (8)3.947.363.542.0292.72-6.72102.98-2.0378.12-0.51117.59-6.67
2020 (7)3.670.03.4718.8499.40-0.19105.11-15.7778.5212.04125.99-18.34
2019 (6)3.67-1.082.92-2.6799.591.15124.792.4970.0811.33154.29-1.89
2018 (5)3.71-5.63.0013.2198.466.14121.76-11.762.955.99157.27-8.18
2017 (4)3.93-2.242.6535.992.762.16137.90-26.2359.39-8.09171.28-19.63
2016 (3)4.022.811.958.9490.80-2.75186.94-8.2664.62-11.69213.12-4.85
2015 (2)3.9101.79093.370203.78073.170223.980

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